Malicious PDF — malware analysis report

Static analysis result for SHA-256 782c1ecfdf327622…

MALICIOUS

PDF

93.1 KB Created: 2021-10-19 00:49:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 9c254aedebf11f06f4cfd3fbf5f04f2f SHA-1: 32b508037007f3dc45c9c2b8ec3a7f794b240c3d SHA-256: 782c1ecfdf3276221ae212c3c3c47b5b02bb01245d6a38192865f40e9dda089a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://archism.ru/uplcv?utm_term=razones+financieras+de+liquidez+ejercicios+resueltos PDF link annotation
    • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613391bdabc8e---xekefetoponaruwovub.pdfIn PDF document text
    • http://quantri.thaisonpalacehotel.com/upload/files/bafakeratalodudogavuwal.pdfIn PDF document text
    • http://sethhukumchandschool.com/userfiles/file/legan.pdfIn PDF document text
    • https://cordovajewelry.com/images/file/lelepuwosarubexaw.pdfIn PDF document text
    • https://havadisname.com/upload/ckfinder/files/6532625430.pdfIn PDF document text
    • http://www.corazondelsol.es/ckfinder/userfiles/files/81033505896.pdfIn PDF document text
    • http://ez-surveying.com/htdocs/cljr/data/files/wiwom.pdfIn PDF document text
    • http://www.jokilaaksonratsastajat.fi/file/93585982339.pdfIn PDF document text
    • http://immobilieninvestors.eu/userfiles/file/45006701223.pdfIn PDF document text
    • http://mega-gold.com/userfiles/files/95646038007.pdfIn PDF document text
    • http://accronline.com/userfiles/file/lobegodosinugemoz.pdfIn PDF document text
    • http://www.drivingschool-brno.cz/files/files/piwokojunawoma.pdfIn PDF document text
    • http://aptekarynek.pl/zdjecia/fck/file/67120246429.pdfIn PDF document text
    • http://seidels-mineralienwelt.de/images/uploaded/file/dasuzadutuzeser.pdfIn PDF document text
    • http://www.heksan.com.pl/file/pojikilesitifoso.pdfIn PDF document text
    • http://hugslock.com/app/webroot/img/files/jefikukewelamegin.pdfIn PDF document text
    • http://gramercygrand.ru/files/file/91753733342.pdfIn PDF document text
    • http://medrea.ru/upload/files/9096046734.pdfIn PDF document text
    • https://bda.ch/ckfinder/userfiles/files/42695733736.pdfIn PDF document text
    • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/161557a556ff78---81148806738.pdfIn PDF document text
    • http://rvhifi.cz/files/file/26064470722.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fdd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDD7 21720 bytes
SHA-256: 12966b5b98fa8b0a9f3e5214c54ef12045760eb9d8676fbe47568545b68c556f
font_01_sfnt_off0001336c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1336C 10948 bytes
SHA-256: c714c7154656c6fd050c91ba49ff03b7b6297fb2f30157a2a579993b6ea2ebc7
font_02_sfnt_off00014cc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14CC3 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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